// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package protoencoding

import (
	"google.golang.org/protobuf/encoding/protojson"
	"google.golang.org/protobuf/proto"
)

type jsonUnmarshaler struct {
	resolver Resolver
}

func newJSONUnmarshaler(resolver Resolver) Unmarshaler {
	return &jsonUnmarshaler{
		resolver: resolver,
	}
}

func (m *jsonUnmarshaler) Unmarshal(data []byte, message proto.Message) error {
	options := protojson.UnmarshalOptions{
		Resolver: m.resolver,
		// TODO: make this an option
		DiscardUnknown: true,
	}
	return options.Unmarshal(data, message)
}
